<template>
    <div>
        <el-upload
                class="avatar-uploader"
                action="image1/file/upload"
                :show-file-list="false"
                name = "file"
                :on-success="handleAvatarSuccess"
                :before-upload="beforeAvatarUpload">
            <img v-if="imageUrl" :src="imageUrl" class="avatar" alt="">
            <i v-else class="el-icon-plus avatar-uploader-icon"></i>
        </el-upload>
    </div>
</template>

<script>
    export default {
        name: "ImageUpload",
        data() {
            return {
                imageUrl: ''
            };
        },
        methods:{
            //上传文件
            handleAvatarSuccess(res, file) {
                // console.log(res.code);
                // if (res.code == "0"){
                //     this.imgPath = res.imgUrl;
                //     this.$message.success("上传成功")
                // }else {
                //     this.$message.success(res.imgUrl);
                // }
                this.imageUrl = URL.createObjectURL(file.raw);
            },
            beforeAvatarUpload(file) {
                const isJPG = file.type === 'image/jpeg';
                const isLt2M = file.size / 1024 / 1024 < 10;

                if (!isJPG) {
                    this.$message.error('上传头像图片只能是 JPG 格式!');
                }
                if (!isLt2M) {
                    this.$message.error('上传头像图片大小不能超过 2MB!');
                }
                return isJPG && isLt2M;
            },
        }
    }
</script>

<style scoped>
    .avatar-uploader .el-upload {
        border: 1px dashed #d9d9d9;
        border-radius: 6px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
    }
    .avatar-uploader .el-upload:hover {
        border-color: #409EFF;
    }
    .avatar-uploader-icon {
        font-size: 50px;
        color: #8c939d;
        width: 300px;
        height: 300px;
        line-height: 178px;
        text-align: center;
    }
    .avatar {
        width: 300px;
        height: 300px;
        display: block;
    }
</style>